Table 1.

Logical relationship between search terms.

Number	Topic	Terms
#1	RNA methylation	(((((((((((((((((((((((((((((TS=(N6-methyladenosine)) OR TS=(m6A methylation)) OR TS=(“m (6)A”)) OR TS=(m6A modification)) OR TS=(N-6-methyladenosine)) OR TS=(“adenosine N6 methylation”)) OR TS=(6-methyladenine)) OR TS=(5-methylcytosine)) OR TS=(m5C methylation)) OR TS=(N1-methyladenosine)) OR TS=(m1A methylation)) OR TS=(N3-methylcytosine)) OR TS=(m3C methylation)) OR TS=(N7-methylguanosine)) OR TS=(m7G methylation)) OR TS=(5-methyluridine)) OR TS=(m5U methylation)) OR TS=(N2-methylguanosine)) OR TS=(m2G methylation)) OR TS=(2’-O-methyladenosine)) OR TS=(2’-O-methylation)) OR TS=(2’-O-Me)) OR TS=(2’-O-RNA)) OR TS=(m6am methylation)) OR TS=(5-hydroxymethylcytosine)) OR TS=(hmsc methylation)) OR TS=(pseudouridine)) OR TS=(pseudouridylation)) OR TS=(Ψ)) OR TS=(RNA methylation)
#2	Immune cell	(((((((((((TS=(immune AND cell*)) OR TS=(b AND cells*)) OR TS=(t AND cells*)) OR TS=(plasma AND cell*)) OR TS=(macrophage*)) OR TS=(nk AND cell*)) OR TS=(monocyte*)) OR TS=(dendritic AND cell*)) OR TS=(mast AND cell*)) OR TS=(neutrophil*)) OR TS=(natural AND killer AND cell*)) OR TS=(lymphocyte*)
#3	Tumor	(((((((TS=(cancer)) OR TS=(tumor)) OR TS=(carcinoma)) OR TS=(neoplasm)) OR TS=(tumorous)) OR TS=(neoplastic)) OR TS=(malignancy)) OR TS=(malignant tumor)
#4	Total	#1 AND #2 AND #3